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CANNULA FOR RECEIVING SURGICAL INSTRUMENTS
专利权人:
Thomas W. Davison
发明人:
Thomas W. Davison,Timothy E. Taylor,Adam Sher
申请号:
US13615961
公开号:
US20130066160A1
申请日:
2012.09.14
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A cannula (10) receives surgical instruments (120) for performing a surgical procedure on a body (130). The cannula (10) comprises a tube structure (12) defining a passage (16) through which the surgical instruments (120) are inserted into the body (130). The tube structure (12) has a proximal end (20) and a distal end (62). The tube structure (12) includes an expandable portion (40) for enabling an increase in the cross-sectional area of the passage (16) at the distal end (62). The expandable portion (40) of the tube structure (12), when expanded, has a conical configuration.
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